readability fix: No assigns in if conditionals

Coccinelle-assisted:
@@
variable i;
expression E;
statement S1, S2;
@@

+ i = E;
  if (
(
-   (i = E)
+   i
    != ...
|
-   (i = E)
+   i
    == ...
|
-   (i = E)
+   i
    < ...
|
-   (i = E)
+   i
    > ...
|
-   (i = E)
+   i
    <= ...
|
-   (i = E)
+   i
    >= ...
|
-   (i = E)
+   i
)
    ) S1 else S2

for file in $(find . -name "*.cc"); do
  spatch --sp no-if-assigns.cocci --in-place $file
done

clang-format --style=file -i bta/**/*.cc

Test: mma -j37 and basic sanity testing on angler, sailfish

Change-Id: I41a2964afac347c24e13869b6c172e321e646091
diff --git a/bta/dm/bta_dm_act.cc b/bta/dm/bta_dm_act.cc
index 2e112fc..56cda90 100644
--- a/bta/dm/bta_dm_act.cc
+++ b/bta/dm/bta_dm_act.cc
@@ -1400,7 +1400,8 @@
   data.inq_cmpl.num_resps = p_data->inq_cmpl.num;
   bta_dm_search_cb.p_search_cback(BTA_DM_INQ_CMPL_EVT, &data);
 
-  if ((bta_dm_search_cb.p_btm_inq_info = BTM_InqDbFirst()) != NULL) {
+  bta_dm_search_cb.p_btm_inq_info = BTM_InqDbFirst();
+  if (bta_dm_search_cb.p_btm_inq_info != NULL) {
     /* start name and service discovery from the first device on inquiry result
      */
     bta_dm_search_cb.name_discover_done = false;
@@ -2030,8 +2031,9 @@
   APPL_TRACE_DEBUG("bta_dm_discover_next_device");
 
   /* searching next device on inquiry result */
-  if ((bta_dm_search_cb.p_btm_inq_info =
-           BTM_InqDbNext(bta_dm_search_cb.p_btm_inq_info)) != NULL) {
+  bta_dm_search_cb.p_btm_inq_info =
+      BTM_InqDbNext(bta_dm_search_cb.p_btm_inq_info);
+  if (bta_dm_search_cb.p_btm_inq_info != NULL) {
     bta_dm_search_cb.name_discover_done = false;
     bta_dm_search_cb.peer_name[0] = 0;
     bta_dm_discover_device(
@@ -2229,7 +2231,8 @@
   /* application will parse EIR to find out remote device name */
   result.inq_res.p_eir = p_eir;
 
-  if ((p_inq_info = BTM_InqDbRead(p_inq->remote_bd_addr)) != NULL) {
+  p_inq_info = BTM_InqDbRead(p_inq->remote_bd_addr);
+  if (p_inq_info != NULL) {
     /* initialize remt_name_not_required to false so that we get the name by
      * default */
     result.inq_res.remt_name_not_required = false;
@@ -3344,9 +3347,10 @@
   char* p_temp;
 
   /* If the name isn't already stored, try retrieving from BTM */
-  if (*p_name == '\0')
-    if ((p_temp = BTM_SecReadDevName(bta_dm_search_cb.peer_bdaddr)) != NULL)
-      p_name = p_temp;
+  if (*p_name == '\0') {
+    p_temp = BTM_SecReadDevName(bta_dm_search_cb.peer_bdaddr);
+    if (p_temp != NULL) p_name = p_temp;
+  }
 
   return p_name;
 }
@@ -3917,7 +3921,8 @@
   /* application will parse EIR to find out remote device name */
   result.inq_res.p_eir = p_eir;
 
-  if ((p_inq_info = BTM_InqDbRead(p_inq->remote_bd_addr)) != NULL) {
+  p_inq_info = BTM_InqDbRead(p_inq->remote_bd_addr);
+  if (p_inq_info != NULL) {
     /* initialize remt_name_not_required to false so that we get the name by
      * default */
     result.inq_res.remt_name_not_required = false;
@@ -4320,9 +4325,9 @@
   if (p_data->ble_observe.start) {
     /*Save the  callback to be called when a scan results are available */
     bta_dm_search_cb.p_scan_cback = p_data->ble_observe.p_cback;
-    if ((status = BTM_BleObserve(true, p_data->ble_observe.duration,
-                                 bta_dm_observe_results_cb,
-                                 bta_dm_observe_cmpl_cb)) != BTM_CMD_STARTED) {
+    status = BTM_BleObserve(true, p_data->ble_observe.duration,
+                            bta_dm_observe_results_cb, bta_dm_observe_cmpl_cb);
+    if (status != BTM_CMD_STARTED) {
       tBTA_DM_SEARCH data;
       APPL_TRACE_WARNING(" %s BTM_BleObserve  failed. status %d", __func__,
                          status);
@@ -4591,13 +4596,13 @@
   APPL_TRACE_DEBUG("bta_dm_cfg_filter_cond");
   BTM_BleGetVendorCapabilities(&cmn_vsc_cb);
   if (0 != cmn_vsc_cb.filter_support) {
-    if ((st = BTM_BleCfgFilterCondition(
-             p_data->ble_cfg_filter_cond.action,
-             p_data->ble_cfg_filter_cond.cond_type,
-             (tBTM_BLE_PF_FILT_INDEX)p_data->ble_cfg_filter_cond.filt_index,
-             (tBTM_BLE_PF_COND_PARAM*)p_data->ble_cfg_filter_cond.p_cond_param,
-             bta_ble_scan_cfg_cmpl, p_data->ble_cfg_filter_cond.ref_value)) ==
-        BTM_CMD_STARTED) {
+    st = BTM_BleCfgFilterCondition(
+        p_data->ble_cfg_filter_cond.action,
+        p_data->ble_cfg_filter_cond.cond_type,
+        (tBTM_BLE_PF_FILT_INDEX)p_data->ble_cfg_filter_cond.filt_index,
+        (tBTM_BLE_PF_COND_PARAM*)p_data->ble_cfg_filter_cond.p_cond_param,
+        bta_ble_scan_cfg_cmpl, p_data->ble_cfg_filter_cond.ref_value);
+    if (st == BTM_CMD_STARTED) {
       bta_dm_cb.p_scan_filt_cfg_cback =
           p_data->ble_cfg_filter_cond.p_filt_cfg_cback;
       return;
@@ -4629,11 +4634,11 @@
   BTM_BleGetVendorCapabilities(&cmn_vsc_cb);
 
   if (0 != cmn_vsc_cb.filter_support) {
-    if ((st = BTM_BleEnableDisableFilterFeature(
-             p_data->ble_enable_scan_filt.action,
-             p_data->ble_enable_scan_filt.p_filt_status_cback,
-             (tBTM_BLE_REF_VALUE)p_data->ble_enable_scan_filt.ref_value)) ==
-        BTM_CMD_STARTED)
+    st = BTM_BleEnableDisableFilterFeature(
+        p_data->ble_enable_scan_filt.action,
+        p_data->ble_enable_scan_filt.p_filt_status_cback,
+        (tBTM_BLE_REF_VALUE)p_data->ble_enable_scan_filt.ref_value);
+    if (st == BTM_CMD_STARTED)
       bta_dm_cb.p_scan_filt_status_cback =
           p_data->ble_enable_scan_filt.p_filt_status_cback;
     return;
@@ -4663,14 +4668,15 @@
   APPL_TRACE_DEBUG("bta_dm_scan_filter_param_setup");
   BTM_BleGetVendorCapabilities(&cmn_vsc_cb);
   if (0 != cmn_vsc_cb.filter_support) {
-    if ((st = BTM_BleAdvFilterParamSetup(
-             p_data->ble_scan_filt_param_setup.action,
-             p_data->ble_scan_filt_param_setup.filt_index,
-             (tBTM_BLE_PF_FILT_PARAMS*)&p_data->ble_scan_filt_param_setup
-                 .filt_params,
-             p_data->ble_scan_filt_param_setup.p_target,
-             p_data->ble_scan_filt_param_setup.p_filt_param_cback,
-             p_data->ble_scan_filt_param_setup.ref_value)) == BTM_CMD_STARTED) {
+    st = BTM_BleAdvFilterParamSetup(
+        p_data->ble_scan_filt_param_setup.action,
+        p_data->ble_scan_filt_param_setup.filt_index,
+        (tBTM_BLE_PF_FILT_PARAMS*)&p_data->ble_scan_filt_param_setup
+            .filt_params,
+        p_data->ble_scan_filt_param_setup.p_target,
+        p_data->ble_scan_filt_param_setup.p_filt_param_cback,
+        p_data->ble_scan_filt_param_setup.ref_value);
+    if (st == BTM_CMD_STARTED) {
       bta_dm_cb.p_scan_filt_param_cback =
           p_data->ble_scan_filt_param_setup.p_filt_param_cback;
       return;
diff --git a/bta/dm/bta_dm_main.cc b/bta/dm/bta_dm_main.cc
index b8c572b..3d25691 100644
--- a/bta/dm/bta_dm_main.cc
+++ b/bta/dm/bta_dm_main.cc
@@ -343,8 +343,8 @@
 
   /* execute action functions */
   for (i = 0; i < BTA_DM_SEARCH_ACTIONS; i++) {
-    if ((action = state_table[p_msg->event & 0x00ff][i]) !=
-        BTA_DM_SEARCH_IGNORE) {
+    action = state_table[p_msg->event & 0x00ff][i];
+    if (action != BTA_DM_SEARCH_IGNORE) {
       (*bta_dm_search_action[action])((tBTA_DM_MSG*)p_msg);
     } else {
       break;
diff --git a/bta/dm/bta_dm_pm.cc b/bta/dm/bta_dm_pm.cc
index a857b97..e659796 100644
--- a/bta/dm/bta_dm_pm.cc
+++ b/bta/dm/bta_dm_pm.cc
@@ -578,8 +578,8 @@
     for (i = 0; i < BTA_DM_NUM_PM_TIMER; i++) {
       if (bta_dm_cb.pm_timer[i].in_use &&
           bdcmp(bta_dm_cb.pm_timer[i].peer_bdaddr, peer_addr) == 0) {
-        if ((timer_idx = bta_pm_action_to_timer_idx(pm_action)) !=
-            BTA_DM_PM_MODE_TIMER_MAX) {
+        timer_idx = bta_pm_action_to_timer_idx(pm_action);
+        if (timer_idx != BTA_DM_PM_MODE_TIMER_MAX) {
           remaining_ms =
               alarm_get_remaining_ms(bta_dm_cb.pm_timer[i].timer[timer_idx]);
           if (remaining_ms < timeout_ms) {
@@ -607,8 +607,8 @@
     if (!timer_started) {
       if (available_timer != BTA_DM_PM_MODE_TIMER_MAX) {
         bdcpy(bta_dm_cb.pm_timer[available_timer].peer_bdaddr, peer_addr);
-        if ((timer_idx = bta_pm_action_to_timer_idx(pm_action)) !=
-            BTA_DM_PM_MODE_TIMER_MAX) {
+        timer_idx = bta_pm_action_to_timer_idx(pm_action);
+        if (timer_idx != BTA_DM_PM_MODE_TIMER_MAX) {
           bta_dm_pm_start_timer(&bta_dm_cb.pm_timer[available_timer], timer_idx,
                                 timeout_ms, p_srvcs->id, pm_action);
           timer_started = true;