Ppl public API changes (#15066)

Author: cherylEnkidu

Firestore/Example/Firestore.xcodeproj/project.pbxproj

@@ -1763,7 +1763,7 @@
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@@ -1803,12 +1803,12 @@
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@@ -1927,7 +1927,7 @@
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@@ -1968,6 +1968,7 @@
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@@ -1977,7 +1978,7 @@
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@@ -2123,7 +2124,7 @@
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@@ -2159,7 +2160,7 @@
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@@ -2177,7 +2178,7 @@
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